prototype (Number - JavaScript)
Extends the object with additional properties and methods.
Defined in
Number (Standard - JavaScript)Syntax
prototype.name = value| Return value | Description |
|---|---|
name |
The name of the property or method. |
value |
The value of the property or method. For a property, this should be an expression. For a method, this should be a function definition. |
Examples
(1) This computed label defines a property for the Number object then uses it.Number.prototype.tomiles = 0.6214;
var n = new Number(90);
n * n.tomiles(2) This computed label defines a function
for the Number object then calls it.
Number.prototype.volume = function() {
return this * this * this;
}
var n = new Number(5);
n.volume() // 125.0